Affiliation: | a Department of Hepatobiliary Surgery, The Dujiangyan Medical Center, Chengdu, Sichuan, China;b Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China;c Department of General Surgery, Nanchong Central Hospital, The Second Clinical College of North Sichuan Medical College, Nanchong, Sichuan, China;d Department of Thyroid Breast Vascular Surgery, The Dujiangyan Medical Center, Chengdu, Sichuan, China. |